Multi-cell pucch configuration, apparatus, computer-readable storage medium, and software product

Abstract

A wireless communication method, including obtaining configuration information; and determining one or more PUCCH resources from at least two cells for a PUCCH transmission according to the configuration information, wherein the configuration information includes a PUCCH cell switching pattern configured for the at least two cells. A wireless communication method, including providing configuration information; and receiving, from user equipment, a PUCCH transmission transmitted on one or more PUCCH resources selected from at least two cells according to the configuration information, wherein the configuration information including a PUCCH cell switching pattern configured for the at least two cells.

1 . A wireless communication method, comprising:
 obtaining configuration information; and   determining one or more physical uplink control channel (PUCCH) resources from at least two cells for a PUCCH transmission according to the configuration information, wherein the configuration information includes a PUCCH cell switching pattern configured for the at least two cells.   
     
     
         2 . The method of  claim 1 , wherein the PUCCH transmission includes a PUCCH transmission with repetitions, wherein one or more PUCCH cells that carry the one or more determined PUCCH resources are determined according to the PUCCH cell switching pattern on a slot by slot basis. 
     
     
         3 . The method of  claim 1 , wherein the configuration information includes downlink control information (DCI) and the DCI includes at least two PUCCH resource indication (PRI) fields, and wherein:
 a number of the PRI fields is equal to a number of the at least two cells, or
 the at least two PRI fields are configured to indicate the PUCCH resources of the at least two cells respectively. 
   
     
     
         4 - 5 . (canceled) 
     
     
         6 . The method of  claim 1 , further comprising transmitting an initial PUCCH repetition and at least one following PUCCH repetition subsequent to the initial PUCCH repetition according to the PUCCH cell switching pattern at slots of the at least two cells, wherein the configuration information comprises information configured to indicate a slot of a cell used for transmitting the initial PUCCH repetition according to the PUCCH cell switching pattern. 
     
     
         7 . (canceled) 
     
     
         8 . The method of  claim 1 , further comprising transmitting an initial PUCCH repetition and at least one following PUCCH repetition subsequent to the initial PUCCH repetition according to the PUCCH cell switching pattern at slots of the at least two cells, wherein the slots include an initial slot and at least one following slot, wherein the initial slot and the at least one following slot belong to different cells, and wherein the at least one following slot from the PUCCH cell meets conditions that:
 the at least one following slot in the PUCCH cell is capable of providing an uplink symbol or a flexible symbol with a same index of a starting symbol of the indicated or configured PUCCH resource for the PUCCH transmission in a cell of the PUCCH resource; and   the at least one following slot in the PUCCH cell is capable of providing consecutive uplink or flexible symbols starting from the uplink symbol or the flexible symbol, with a number of the consecutive symbols equal to or greater than a number of the symbols configured for the indicated or configured PUCCH resource for the PUCCH transmission in a cell of the PUCCH resource.   
     
     
         9 . (canceled) 
     
     
         10 . The method of  claim 1 , wherein the configuration information comprises association information between candidate PUCCH resources of the at least two cells,
 and wherein:   the configuration information further comprises repetition factors corresponding to the associations of the candidate PUCCH resources indicated by the association information respectively;   determining one or more PUCCH resources from at least two cells comprises determining the PUCCH resources used to transmit PUCCH repetitions of the PUCCH transmission according to the association information and a PUCCH resource indication (PRI); or   the configuration information further comprises PRI information associated with a PUCCH association indicated by the association information.   
     
     
         11 . (canceled) 
     
     
         12 . The method of  claim 1 , wherein a repetition factor of the PUCCH transmission is the same as a repetition factor of the indicated or configured PUCCH resource for an initial PUCCH repetition of the PUCCH transmission, and wherein the repetition factor of the indicated or configured PUCCH resource is configured by an RRC signaling. 
     
     
         13 . (canceled) 
     
     
         14 . The method of  claim 1 , wherein a repetition factor of the PUCCH transmission is a sum of repetition factors of associated PUCCH resources of the at least two cells used to transmit PUCCH repetitions of the PUCCH transmission. 
     
     
         15 - 16 . (canceled) 
     
     
         17 . The method of  claim 1 , wherein a first PUCCH resource of a first cell of the at least two cells is associated with a second PUCCH resource of a second cell of the at least two cells, and the first and the second PUCCH resources meet at least one of the following conditions that:
 the first and the second PUCCH resources have a same number of symbols;   the first and the second PUCCH resources have a same format;   the first and the second PUCCH resources have same coding and modulation;   the first and the second PUCCH resources have a same subcarrier spacing;   the first and the second PUCCH resources have a same cyclic prefix; or   the first and the second PUCCH resources have a same repetition factor.   
     
     
         18 . A wireless communication method, comprising:
 providing configuration information; and   receiving, from user equipment, a physical uplink control channel (PUCCH) transmission transmitted on one or more PUCCH resources selected from at least two cells according to the configuration information, wherein the configuration information including a PUCCH cell switching pattern configured for the at least two cells.   
     
     
         19 . The method of  claim 18 , wherein the PUCCH transmission includes a PUCCH transmission with repetitions, wherein one or more PUCCH cells that carry the one or more PUCCH resources are determined according to the PUCCH cell switching pattern on a slot by slot basis. 
     
     
         20 . The method of  claim 18 , wherein the configuration information includes downlink control information (DCI) and the DCI includes at least two PUCCH resource indication (PRI) fields, and wherein:
 a number of the PRI fields is equal to a number of the at least two cells, or
 the at least two PRI fields are configured to indicate the PUCCH resources of the at least two cells respectively. 
   
     
     
         21 - 22 . (canceled) 
     
     
         23 . The method of  claim 18 , wherein:
 receiving, from the user equipment, the PUCCH transmission comprises receiving an initial PUCCH repetition and at least one following PUCCH repetition subsequent to the initial PUCCH repetition according to the PUCCH cell switching pattern at slots of the at least two cells;   the configuration information comprises information configured to indicate a slot of a cell used for transmitting the initial PUCCH repetition according to the PUCCH cell switching pattern;   the slots include an initial slot and at least one following slot;   the initial slot and the at least one following slot belong to different at least one cells; and
 the at least one following slot from the PUCCH cell meets conditions that:
 the at least one following slot in the PUCCH cell is capable of providing an uplink symbol or a flexible symbol with a same index of a starting symbol of the indicated or configured PUCCH resource for the PUCCH transmission in a cell of the PUCCH resource; and 
 the at least one following slot in the PUCCH cell is capable of providing consecutive uplink or flexible symbols starting from the uplink symbol or the flexible symbol, with a number of the consecutive symbols equal to or greater than a number of the symbols configured for the indicated or configured PUCCH resource for the PUCCH transmission in a cell of the PUCCH resource. 
 
   
     
     
         24 - 26 . (canceled) 
     
     
         27 . The method of  claim 18 , wherein the configuration information comprises association information between candidate PUCCH resources of the at least two cells, and wherein:
 the PUCCH transmission transmitted on one or more PUCCH resources selected from at least two cells according to the configuration information comprises PUCCH repetitions transmitted on PUCCH resources determined according to the association information and a PUCCH resource indication (PRI), or
 the configuration information further comprises PRI information associated with a PUCCH association indicated by the association information. 
   
     
     
         28 . The method of  claim 18 , wherein the configuration information further comprises repetition factors corresponding to associations of the candidate PUCCH resources indicated by association information respectively. 
     
     
         29 . The method of  claim 18 , wherein a repetition factor of the PUCCH transmission is the same as a repetition factor of the indicated or configured PUCCH resource for an initial PUCCH repetition of the PUCCH transmission, and wherein the repetition factor of the indicated or configured PUCCH resource is configured by an RRC signaling. 
     
     
         30 . (canceled) 
     
     
         31 . The method of  claim 18 , wherein a repetition factor of the PUCCH transmission is a sum of repetition factors of associated PUCCH resources of the at least two cells used to transmit PUCCH repetitions of the PUCCH transmission. 
     
     
         32 - 33 . (canceled) 
     
     
         34 . The method of  claim 18 , wherein a first PUCCH resource of a first cell of the at least two cells is associated with a second PUCCH resource of a second cell of the at least two cells, and the first and the second PUCCH resources meet at least one of the following conditions that:
 the first and the second PUCCH resources have a same number of symbols;   the first and the second PUCCH resources have a same format;   the first and the second PUCCH resources have same coding and modulation;   the first and the second PUCCH resources have a same subcarrier spacing;   the first and the second PUCCH resources have a same cyclic prefix; or   the first and the second PUCCH resources have a same repetition factor.   
     
     
         35 . A wireless communication apparatus, comprising a memory storing one or more programs and one or more processors electrically coupled to the memory and configured to execute the one or more programs to perform the method of  claim 1 . 
     
     
         36 . A non-transitory computer-readable storage medium, storing one or more programs, the one or more program being configured to, when executed by a processor, cause to perform the method of  claim 1 .